Home / 305,265.78-457,393.23-105,475.13

Finding the Fourth Proportional to 305,265.78, 457,393.23 and 105,475.13

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Solution

The fourth proportional to 305,265.78, 457,393.23 and 105,475.13 is: 158,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,265.78 : 457,393.23 = 105,475.13 : x
  2. Step 2: Convert to fraction form
    305,265.78/457,393.23 = 105,475.13/x
  3. Step 3: Cross multiply
    305,265.78x = 457,393.23 × 105,475.13
  4. Step 4: Simplify right side
    305,265.78x = 48,243,611,934.38
  5. Step 5: Solve for x
    x = 48,243,611,934.38/305,265.78
  6. Step 6: Final answer
    x = 158,038.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.